Most listings are in the $30's per square foot per year. The Park Ridge region is going through a a boost in rates. In the last 3 months, the median rate went up $36 per sqft per year.
In the last 90 days, 5 listings have been listed, which means spaces are probably leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 160% of the listings in the Park Ridge are subleases, so you might be able to snag a great spot on a short term. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 32,740 sqft, there are still 0 leases below 2,000 sqft. Most properties in this area are around 2 floors. Most buildings in this area were built in 1986 and are Class C.